001/*
002 * Copyright (c) 2004-2010, Kohsuke Kawaguchi
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
006 * that the following conditions are met:
007 *
008 *     * Redistributions of source code must retain the above copyright notice, this list of
009 *       conditions and the following disclaimer.
010 *     * Redistributions in binary form must reproduce the above copyright notice, this list of
011 *       conditions and the following disclaimer in the documentation and/or other materials
012 *       provided with the distribution.
013 *
014 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
015 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
016 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
017 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
018 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
019 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
020 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
021 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
022 */
023
024package org.kohsuke.stapler.jelly;
025
026import org.apache.commons.jelly.JellyTagException;
027import org.apache.commons.jelly.MissingAttributeException;
028import org.apache.commons.jelly.XMLOutput;
029import org.jvnet.maven.jellydoc.annotation.Required;
030import org.jvnet.maven.jellydoc.annotation.NoContent;
031
032import javax.servlet.http.HttpServletResponse;
033
034/**
035 * Set the HTTP Content-Type header of the page.
036 *
037 * @author Kohsuke Kawaguchi
038 */
039@NoContent
040public class ContentTypeTag extends AbstractStaplerTag {
041    private String contentType;
042
043    /**
044     * The content-type value, such as "text/html".
045     */
046    @Required
047    public void setValue(String contentType) {
048        this.contentType = contentType;
049    }
050
051    public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
052        HttpServletResponse rsp = getResponse();
053        if (rsp!=null)
054            rsp.setContentType(contentType);
055    }
056}